Add 10/90 and 45/81
10/90 + 45/81 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
10/90 = 10 × 9/90 × 9 = 90/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Add the two like fractions:
90/810 + 450/810 = 90 + 450/810 = 540/810 - 540/810 simplified gives 2/3
- So, 10/90 + 45/81 = 2/3
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